Try
function test(controlnum) {
var theObject = eval( "document.forms[0].interest" + interest );
theObject.value = theObject.value + 1;
}
If it's a text input that you're using, you might have to convert the values
between string and integer, something like
theObject.value = (theObject.value.parseInt() + 1).toString();
Haven't tested the above code, it's just off the top of my head, but it's
something like that, anyway.
Hope that helps
Alistair Davidson
Senior Web Developer
Rocom New Media
www.rocomx.net
-----Original Message-----
From: Andy Ewings [mailto:[EMAIL PROTECTED]]
Sent: 24 May 2001 12:18
To: CF-Talk
Subject: OT Javascript question
I'm having a mind blank....arghhh. I'm trying to incremtnet the value of a
control in a form by one where part of the controls name is poassed in as a
variable. Probably best I explain with the code snippet:
function test(controlnum) {
"document.forms[0].interest" + interest + ".value" =
eval("document.forms[0].interest" + interest + ".value") + 1;
}
I have tested using alert and the The RHS of the equation is computed
correctly. I need to let javasript know that the LHS of the equation is an
object in the page rather than just a string but I can't remeber
how!....anyone help
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